java.lang.IllegalStateException: Cannot forward after response has been committe

出现这种异常的原因是,在请求或转发中,执行完请求或转发后其实代码还会接着往下执行,如果一个方法中写了多个请求转发,需要写return,才能避免这种错误 

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转载自blog.csdn.net/kxj19980524/article/details/85286141